NetBSD Problem Report #52621
From www@NetBSD.org Sat Oct 14 22:31:36 2017
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for <gnats-bugs@gnats.NetBSD.org>; Sat, 14 Oct 2017 22:31:36 +0000 (UTC)
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Date: Sat, 14 Oct 2017 22:31:35 +0000 (UTC)
From: venture37@geeklan.co.uk
Reply-To: venture37@geeklan.co.uk
To: gnats-bugs@NetBSD.org
Subject: Running tcpdump on fwip(4) causes panic
X-Send-Pr-Version: www-1.0
>Number: 52621
>Category: kern
>Synopsis: Running tcpdump on fwip(4) causes panic
>Confidential: no
>Severity: serious
>Priority: medium
>Responsible: kern-bug-people
>State: closed
>Class: sw-bug
>Submitter-Id: net
>Arrival-Date: Sat Oct 14 22:35:00 +0000 2017
>Closed-Date: Sat Jun 16 01:54:32 +0000 2018
>Last-Modified: Sat Jun 16 01:54:32 +0000 2018
>Originator: Sevan Janiyan
>Release:
>Organization:
>Environment:
NetBSD 8.99.4 i386
>Description:
While investigate lack of communication reported in kern/52619, launching tcpdump -i fwip0 results in a panic.
On my i386 host, the message reported is:
kernel diagnostic assertion "!cpu_intr_p()" failed: file "/usr/src/sys/net/bpf.c", line 1579
bt:
https://pbs.twimg.com/media/DMIcmauWsAAsS0e.jpg:orig
>How-To-Repeat:
Connect to another host over firwire.
Configure IP addresses on fwip interfaces at each end
ifconfig fwip0 10.1.1.1/24 up
Ping remote host
ping 10.1.1.2
Run tcpdump to listen on fwip interface
tcpdump -i fwip0
After a minute or two, host should panic
>Fix:
>Release-Note:
>Audit-Trail:
State-Changed-From-To: open->closed
State-Changed-By: sevan@NetBSD.org
State-Changed-When: Sat, 16 Jun 2018 01:54:32 +0000
State-Changed-Why:
local issue likely, as a fallout from coreboot.
Unable to reprodue on macppc and amd64 port.
>Unformatted:
(Contact us)
$NetBSD: query-full-pr,v 1.43 2018/01/16 07:36:43 maya Exp $
$NetBSD: gnats_config.sh,v 1.9 2014/08/02 14:16:04 spz Exp $
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